Ancient Aliens is counting down ten of the most intriguing--and mysterious--symbols and codes found across the globe that just might contain proof of otherworldly contact. See more in this scene from Season 20, Episode 5, "The Top Ten Alien Codes." Watch your favorite episodes of Ancient ...
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Did you know that there's a network of private citizens that investigate UFOs? See more in this scene from Season 19, Episode 5, "The MUFON Files." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. ...
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Check out the preview for Season 11 Episode 5 of Ancient Aliens, new episodes Fridays 9/8c Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check ...
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Alan Turing created the enigma machine to break the Nazi code during WWII, but did he have help from above? Learn more in this collection of scenes from "The Visionaries." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT ...
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La lutte contre la désertification est l’un des grands défis du XXIe siècle. En cinq étapes, l’inégal combat des hommes pour préserver les terres fertiles. En un siècle, le Sahara a progressé de 250 kilomètres vers le sud. Les terres sont devenues stériles et les populations ont dû fuir... ...
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